Crabs are nature's "gray men" – experts are looking at how they blend in with their surroundings

(Natural News) Some crabs inhabit the shorelines, but not everyone notices them. You would have to look really closely to see the vague outline of these crustaceans in their habitat. Their ability to camouflage did not happen by chance. Scientists believe that their habitat influenced how these crabs evolved. Researchers from the University of Exeter‘s Penryn Campus...